Look before you leap

sanwɒn sɪwɒn ərɜ haʊfɔː zɪŋtuː sawɒnn sɪwɒn ərɜ həfɔːɹuː zɪtuːŋ

In Chinese 三思而后行 (Sān sī ér hòu xíng)

This Chinese idiom literally means 'Think thrice before you act,' emphasizing careful consideration.